2012 · 18 citations · 14 references
Language StudiesEducational AssessmentEnglish As A Second LanguageLanguage ProficiencySecond Language EducationSecond Language LearningEnglish Language LearningLanguage AssessmentLanguage Proficiency TestingPerformance-based AssessmentProficiency LevelsSecond Language AcquisitionAssessing L2 ProficiencyClassroom Language AssessmentEnglish Learner MonitoringLanguage Proficiency BenchmarksLanguage Proficiency StandardsLearner EnglishLearner Language ProficiencyLearner Progress Monitoring
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Empirical Model Building and Response Surfaces
Anne E. Freeny, George E. P. Box, Norman R. Draper · Technometrics · 1988 · 5.1K citations